Finding the Fourth Proportional to 11,639,737.08, 16,057,274.04 and 9,043,651.44
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Solution
The fourth proportional to 11,639,737.08, 16,057,274.04 and 9,043,651.44 is: 12,475,916.64
Step by Step Solution
- Step 1: Write the proportion equation
11,639,737.08 : 16,057,274.04 = 9,043,651.44 : x - Step 2: Convert to fraction form
11,639,737.08/16,057,274.04 = 9,043,651.44/x - Step 3: Cross multiply
11,639,737.08x = 16,057,274.04 × 9,043,651.44 - Step 4: Simplify right side
11,639,737.08x = 145,216,389,494,320.59 - Step 5: Solve for x
x = 145,216,389,494,320.59/11,639,737.08 - Step 6: Final answer
x = 12,475,916.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.